2431042 has 4 divisors (see below), whose sum is σ = 3646566. Its totient is φ = 1215520.

The previous prime is 2431007. The next prime is 2431049. The reversal of 2431042 is 2401342.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2247001 + 184041 = 1499^2 + 429^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2431049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607759 + ... + 607762.

2^2431042 is an apocalyptic number.

2431042 is a deficient number, since it is larger than the sum of its proper divisors (1215524).

2431042 is a wasteful number, since it uses less digits than its factorization.

2431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215523.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 2431042 is about 1559.1799126464. The cubic root of 2431042 is about 134.4613562093.

Adding to 2431042 its reverse (2401342), we get a palindrome (4832384).

The spelling of 2431042 in words is "two million, four hundred thirty-one thousand, forty-two".